fix(code/frontend): fix document search result from (#45236) (#45334)

Author: WangQianliang

x-pack/legacy/plugins/code/public/reducers/search.ts

@@ -156,7 +156,7 @@ export const search = handleActions<SearchState, SearchPayload>(
           took,
           stats: {
             total,
-            from: from! + 1,
+            from: from as number,
             to: from! + results!.length,
             page: page!,
             totalPage: totalPage!,